Patents
Patents for C07C 29 - Preparation of compounds having hydroxy or o-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring (31,270)
11/1990
11/06/1990US4968847 Intermediates for insecticides
11/06/1990US4968722 Fixed bed catalytic hydrogenation of carbon monoxide, absorption of methanol by liquid, desorption by flashing
11/06/1990US4968668 Alcohols having 3-methyl or 3,5-dimethyl or 3,5-dimethylphenyl groups, a process for their preparation and a fragrance composition containing same
11/06/1990US4968667 1,1-dimethyl-3-hydroxymethylindane and perfumery composition comprising the same
11/02/1990CA2015791A1 Process for the preparation of brominated derivatives, especially from alcohols
11/01/1990WO1990012775A1 Process for the catalytic hydrogenation of liquid fatty acid
10/1990
10/31/1990EP0395471A1 Process for the preparation of catalyst precursors containing copper, aluminium and zinc, useful for synthesis and decomposition of methanol
10/31/1990EP0394842A1 Catalyst for the hydrogenation of unsaturated aliphatic compounds
10/31/1990EP0394841A2 Process for the hydrogenation of acetylenic alcohols
10/31/1990DE4000387A1 Regeneration of isopropanol used for drying electronic parts - by mixing with water absorbing binder and gravitational sepn.
10/31/1990CN1046471A Jet preheat
10/30/1990US4967020 Process for the hydration olefins
10/30/1990US4967019 Method of manufacturing 2-propyn-1-ol
10/30/1990US4967018 Monoalkylene glycol production using mixed metal framework compositions
10/30/1990US4966658 Recovery of ethylene glycol from butanediol isomers by azeotropic distillation
10/30/1990CA1275656C Process for production of gasoline blending stock
10/30/1990CA1275655C Process for the preparation of 2,2-dimethylpropanediol-1,3
10/24/1990EP0393895A2 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes
10/24/1990EP0393093A1 Process
10/24/1990CN1046293A Catalyst recovery in production of alcohols
10/23/1990US4965376 3,9-dihydroxynonyne and its derivatives protected at the 9-OH function
10/23/1990US4965364 Ligand-accelerated catalytic asymmetric dihydroxylation
10/17/1990EP0392370A2 Method for paired electrochemical synthesis with simultaneous production of ethylene glycol
10/17/1990CA2013805A1 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes
10/16/1990US4963338 Three catalytic beds; temperature control by quenching with gas, cooling; heat exchanging; for producing ammonia or methanol
10/10/1990EP0391650A2 Catalyst recovery in the production of alcohols
10/10/1990CA2014055A1 Methods for paired electrochemical synthesis with simultaneous production of ethylene glycol
10/09/1990US4962243 Preparation of octadienols
10/09/1990US4962242 Process for producing optically active alcohols
10/09/1990US4962215 Process of preparation of enolic compounds and new products obtained
10/09/1990US4961918 Process for production of chlorine dioxide
10/09/1990US4961855 Dehydration of organic oxygenates
10/09/1990CA1275106A1 Hydrocarbyloxy magnesium halides
10/04/1990CA2013674A1 Catalyst recovery in the production of alcohols
10/03/1990CN1045708A System for modifying in situ reactors for synthesis of ammonia
10/02/1990US4960961 Process for the preparation of tert.-amyl alcohol (TAA)
10/02/1990US4960960 Hydrogenation process
10/02/1990US4960959 In presence of aqueous potassium hydroxide and alkyl-t-butyl ether solvent
10/02/1990US4960947 Thermal decomposition with oxygen and activated carbon
10/02/1990US4960519 Membrane process for separation of organic liquids
09/1990
09/26/1990EP0389244A1 Process for synthesis of FK-506 C10-C18 intermediates
09/26/1990EP0388868A2 Process for the production of 1,4-butane diol and tetrahydrofuran
09/26/1990EP0371037A4 Methanol synthesis catalyst
09/23/1990CA2012885A1 Process for synthesis of fk-506 c -c intermediates
09/21/1990WO1990011268A1 Process for the production of tertiary alkyl ethers and tertiary alkyl alcohols
09/21/1990CA2028135A1 Process for the production of tertiary alkyl ethers and tertiary alkyl alcohols
09/19/1990EP0387912A2 Process for the production of alkyl glycoside
09/18/1990US4958033 Process for preparing alcohols
09/12/1990EP0387196A1 Complexes with optically active ligands, process for their preparation and their use
09/12/1990EP0386692A2 System for modifying in situ reactors for the synthesis of ammonia
09/11/1990US4956506 Vapor-phase hydration of olefins to alcohols in series reactors with intermediate alcohol removal
09/11/1990US4956392 Process for producing methanol or mixed alcohol
09/11/1990US4956052 Extraction water and organic compound mixture
09/09/1990CA2011887A1 System for modifying in situ reactors for the synthesis of ammonia
09/08/1990CA2011584A1 Complexes having optically active ligands, a process for their preparation and their use
09/07/1990WO1990009978A2 Process for producing esters of (meth)acrylic acid
09/05/1990EP0385631A1 Oxidation process
09/05/1990EP0385368A1 Novel optically active compound
09/05/1990EP0385264A2 Streptenols from streptomycetes, their preparation and use
09/05/1990CN1045092A 甲醇 Methanol
09/05/1990CN1009438B Process for preparing agglomerates of malachite crystals and their application
09/04/1990US4954665 Ethanol from methanol and systhesis gas
09/04/1990US4954664 Process for the direct hydrogenation of butterfat
09/04/1990US4954660 Converted to secondary alcohols by treatment with methanol and a tertiary alcohol using an acidic catalyst
09/04/1990US4954592 Hydrogenation catalysts
08/1990
08/30/1990DE3906108A1 Verfahren zur herstellung von estern der (meth)acrylsaeure A process for the preparation of esters of (meth) acrylsaeure
08/29/1990EP0384016A1 Process and apparatus for separating components from a fluid mixture
08/29/1990CN1044933A Salting-out process of industrial residue of 3-hydroxymethyl propane
08/28/1990US4952717 Myoinositol derivatives and preparation process thereof
08/28/1990US4952710 Cyclopenteneheptenoic acid derivatives and method of preparation thereof
08/28/1990US4952375 System for reducing energy consumption improving reactors for heterogeneous catalytic synthesis and related reactors
08/28/1990US4952318 Separations of oxygenates
08/28/1990US4952292 Process for manufacturing 2,4-hexadiyne-1,6-diol
08/28/1990CA1273367A1 Hydroformylation of olefins
08/28/1990CA1273365A1 Hydroformylation of olefins
08/28/1990CA1273307A1 Potable spirit production
08/25/1990CA2010806A1 Streptenols from streptomycetes, and the preparation and use thereof
08/22/1990EP0383701A1 Catalyst compositions and the use thereof in the hydrogenation of carboxylic acid esters
08/22/1990EP0383054A2 A process for preparing environmentally safe dicofol and its formulations
08/21/1990US4950812 Single-step catalytic process for the direct conversion of polysaccharides to polyhydric alcohols
08/21/1990US4950811 Process for the preparation of trifluoro-ethanol by hydrolysis, in the gas phase, of chlorotrifluoroethane
08/21/1990US4950796 Chemical intermediates for insecticides, acaricides
08/21/1990US4950691 Combustion under oxygen deficient conditions, aromatization, using zeolite catalyst
08/21/1990US4950368 Method for paired electrochemical synthesis with simultaneous production of ethylene glycol
08/17/1990WO1990009234A1 Process and apparatus for exothermic reactions
08/16/1990EP0382376A1 Method for the preparation of high purity copper alkoxides
08/16/1990EP0382050A1 Process for the preparation of alkanols
08/16/1990EP0381839A1 Method for preparing catalyst precursor for methanol synthesis
08/15/1990CN1009195B Method for recovering glycerine from saline waters
08/15/1990CN1009194B Process for producing alcohols from carbon monoxide and hydrogen using alkali-molybdenum sulfide catalyst
08/14/1990WO1990009239A1 Catalyst compositions and the use thereof in the hydrogenation of carboxylic acid esters
08/14/1990US4948878 Process and apparatus for producing metal alkoxides
08/14/1990US4948866 Condensing cyclopentadiene and 2-butene-1,4-diol, catalytic hydrogenation of product
08/14/1990US4948781 Novel odorant and/or flavoring substances
08/14/1990US4948780 Alcohols and ethers having cyclododecyl and cyclododecenyl groups, process for their preparation and scents containing same
08/14/1990CA1272738A1 Process for separating linear-chain oxo-alcohols from mixtures of linear and branched-chain oxo-alcohols
08/09/1990DE4001713A1 Removing and recovering methanol from residual synthesis gas - by mixing with stream of excess synthesis gas, converting methanol and limiting amt. sepd.
08/08/1990EP0381477A2 Concentration of water-ketone composition
08/08/1990EP0381476A2 Treatment of compositions containing water and organic oxygentates
08/08/1990EP0381434A1 Process for producing optically active alcohol